On this day: October 18

2007: A suicide attack on a motorcade carrying former Pakistani Prime Minister Benazir Bhutto (pictured here in 2004) kills 139 and wounds 450 more. Bhutto herself was not injured, but she would be killed in another attack two months later on Dec. 27, 2007, two weeks before the scheduled 2008 general election in which she was a leading opposition candidate.

Herman Melville's masterpiece is printed, the U.S. takes possession of Alaska and Puerto Rico, "West Side Story" premieres, and Reggie Jackson goes deep three times in the World Series, all on this day.

We've been watching what's being called the "greatest activation of Hawaiian people in more than 100 years." But could a new movement designed to unite those people tear them apart? It’s something that critics of Na’i Aupuni say could happen.

The Obama administration will unveil a major climate change plan Monday aimed at a large reduction in greenhouse gas emissions from the nation's coal-burning power plants, a senior administration official told CNN.